Home / 61,976,537.20-92,964,805.80-47,671,807.60

Finding the Fourth Proportional to 61,976,537.20, 92,964,805.80 and 47,671,807.60

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Solution

The fourth proportional to 61,976,537.20, 92,964,805.80 and 47,671,807.60 is: 71,507,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976,537.20 : 92,964,805.80 = 47,671,807.60 : x
  2. Step 2: Convert to fraction form
    61,976,537.20/92,964,805.80 = 47,671,807.60/x
  3. Step 3: Cross multiply
    61,976,537.20x = 92,964,805.80 × 47,671,807.60
  4. Step 4: Simplify right side
    61,976,537.20x = 4,431,800,335,668,964
  5. Step 5: Solve for x
    x = 4,431,800,335,668,964/61,976,537.20
  6. Step 6: Final answer
    x = 71,507,711.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.